Add missing includes.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@189171 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Serialization/ModuleManager.cpp b/lib/Serialization/ModuleManager.cpp
index b90ecc0..a5e81e8 100644
--- a/lib/Serialization/ModuleManager.cpp
+++ b/lib/Serialization/ModuleManager.cpp
@@ -12,8 +12,9 @@
//
//===----------------------------------------------------------------------===//
#include "clang/Lex/ModuleMap.h"
-#include "clang/Serialization/ModuleManager.h"
#include "clang/Serialization/GlobalModuleIndex.h"
+#include "clang/Serialization/ModuleManager.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/raw_ostream.h"